Montana U.S. Sen. Jon Tester will begin holding listening sessions on the Farm Bill and other issues affecting Montanans in the federal government starting today in Billings.  Monday’s session, from 12:30 – 3 p.m., is scheduled for the Billings Public Library on N. Broadway.  It will focus on grains, pulses and livestock.  Tester is the Senate’s only active farmer.  According to a news release from Tester’s office, Montana’s senior senator also plans stops in Missoula, Libby, Whitefish, Cut Bank and Shelby during the week.